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Öğe Acute colitis presenting with hematochezia in a patient with chronic myeloid leukemia during dasatinib therapy(Aves, 2014) Eskazan, Ahmet Emre; Hatemi, Ibrahim; Aydin, Seniz Ongoren; Ar, Muhlis Cem; Soysal, Teoman[Abstract Not Available]Öğe The Association Between JAK2V617F Mutation and Bone Marrow Fibrosis at Diagnosis in Patients with Philadelphia-Negative Chronic Myeloproliferative Neoplasms(Galenos Yayincilik, 2012) Ar, M. Cem; Buyuktas, Deram; Eskazan, A. Emre; Aydin, Seniz Ongoren; Tanrikulu, Eda; Baslar, Zafer; Buyru, A. NurObjective: Bone marrow fibrosis is the second most common complication that causes morbidity and mortality in patients with Philadelphia-negative myeloproliferative neoplasms (MPNs). The aim of this study was to investigate the association between JAK2V617F mutation and bone marrow fibrosis at diagnosis in patients with MPNs. Material and Methods: In total, 149 patients with MPNs were retrospectively evaluated to determine if there was an association between the histological grade of bone marrow fibrosis and JAK2V617F mutation. Results: In all, 67.7% of the patients carried the mutated JAK2 gene. The presence of JAK2V617F mutation was not associated with the occurrence of bone marrow fibrosis (P = 0.55) or its grade at diagnosis (P = 0.65). Conclusion: Molecular mechanisms or genetic defects other than JAK2V617F may underlie the occurrence of bone marrow fibrosis in patients with MPNs.Öğe Successful Management of Chronic Refractory Immune Thrombocytopenia with Laparoscopic Splenectomy in a Patient with Acute Promyelocytic Leukemia(Springer India, 2013) Eskazan, Ahmet Emre; Salihoglu, Ayse; Gulturk, Emine; Aydin, Seniz Ongoren; Tuzuner, Nukhet; Aydin, YildizAcute promyelocytic leukemia (APL) is a particular type of acute myeloid leukemia with characteristic biological and clinical features, the frequent association at diagnosis of a severe hemorrhagic diathesis. Immune thrombocytopenia (ITP) is a common autoimmune disease characterized by low platelet counts and an increased risk of bleeding. Here we present a patient with the diagnosis of APL who achieved and maintained a remission with an induction consisting of idarubicin and ATRA, and then developed corticosteroid refractory ITP which is successfully treated with laparoscopic splenectomy.